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chore: sync *.ps1 EOL fix from canonical#20

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Chris-Wolfgang merged 2 commits into
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chore/sync-ps1-eol-from-canonical
May 16, 2026
Merged

chore: sync *.ps1 EOL fix from canonical#20
Chris-Wolfgang merged 2 commits into
mainfrom
chore/sync-ps1-eol-from-canonical

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Summary

Syncs the canonical *.ps1 EOL fix from repo-template#347 + #348. Removes the CRLF + UTF-8-BOM overrides for *.ps1 files in .gitattributes and .editorconfig.

Why

The #!/usr/bin/env pwsh shebang at the top of every script in scripts/ doesn't work as an executable on Linux/macOS when files are stored with CRLF + BOM:

  1. CRLF: kernel parses #!/usr/bin/env pwsh\r and tries to find an interpreter named pwsh\r — fails.
  2. BOM: bytes EF BB BF appear before #!, so the kernel doesn't recognize the file as a shebang script at all.

The original "PowerShell uses CRLF for Windows compatibility" rationale predates PowerShell 7+ (cross-platform). The PowerShell team's own canonical repos (PowerShell/PowerShell, PSScriptAnalyzer) all use LF + no BOM.

Changes

File Before After
.gitattributes *.ps1 text eol=crlf *.ps1 text eol=lf
.editorconfig [*.ps1] end_of_line = crlf, charset = utf-8-bom (both removed; LF + utf-8 from [*] defaults)

Comments rewritten to explain the shebang rationale.

What does NOT change

  • Files in the index: already LF. The CRLF rule was aspirational policy that never matched reality. No file content rewrites in this PR.
  • Windows users: core.autocrlf=true (Git for Windows default) still gives CRLF in working tree on checkout. Only the index/wire format is LF.
  • Indent: still 4 spaces for *.ps1.

Note about the protected-files guard

This PR touches .gitattributes (in canonical the rule is in .editorconfig's domain too) and .editorconfig (protected). The Detect .NET Projects guard will fail it. Maintainer override required — same path as the canonical PRs.

Test plan

  • Maintainer override + merge
  • After merge, git ls-files --eol scripts/*.ps1 shows i/lf w/* attr/text eol=lf everywhere

Removes the CRLF + UTF-8-BOM overrides for *.ps1 files in
.gitattributes and .editorconfig. Required for the
'#!/usr/bin/env pwsh' shebang at the top of every script in scripts/
to work as an executable on Linux/macOS.

No file content rewrites — index has been LF the whole time. Only
attr declarations align with reality now.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Copilot AI review requested due to automatic review settings May 10, 2026 00:21

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Pull request overview

Synchronizes the repository’s PowerShell line-ending policy with the canonical template change so scripts/*.ps1 can be executed cross-platform via #!/usr/bin/env pwsh (LF + no BOM).

Changes:

  • Update .gitattributes to enforce LF for *.ps1 (and rewrite rationale comment).
  • Remove end_of_line = crlf and charset = utf-8-bom overrides from .editorconfig’s [*.ps1] section, relying on global defaults.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File Description
.gitattributes Switch *.ps1 to eol=lf and update explanatory comments about shebang compatibility.
.editorconfig Remove PS1 CRLF/BOM overrides; keep indent override and update commentary to match cross-platform execution needs.

Comment thread .gitattributes Outdated
Comment thread .editorconfig Outdated
- .gitattributes: replace misleading 'autocrlf still gives CRLF' wording
  with canonical's accurate 'eol=lf overrides core.autocrlf=true on
  checkout' explanation.
- .editorconfig: drop the now-redundant [*.ps1] override (indent_size=4
  already inherits from [*]) and use canonical's '(where present)'
  hedge for the shebang rationale.
- scripts/Setup-Labels.ps1: add #!/usr/bin/env pwsh shebang so the
  comment's rationale matches reality (canonical has it).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@Chris-Wolfgang Chris-Wolfgang merged commit ba8e5fb into main May 16, 2026
6 of 7 checks passed
@Chris-Wolfgang Chris-Wolfgang deleted the chore/sync-ps1-eol-from-canonical branch May 16, 2026 18:01
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2 participants